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US 3,943,396 AGranted
High luminous intensity arc electrode of lantanum chromite
AssigneeAgency of Industrial Science and Technology
InventorsSaburo Kose, Makoto Kinoshita
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Abstract
Arc electrodes formed of the sinter of lanthanum chromite or of a compound having a part of the lanthanum component of lanthanum chromite replaced by at least one member selected from the group consisting of calcium, magnesium and strontium.
Claims4
An arc electrode for producing a spectral distribution, approximating that of white light formed of a sinter comprising essentially lanthanum chromite.
Dependencies are inferred from the claim text.